Power Electronics In forward blocking mode of a thyristor Junction J1, J3 is in reverse bias and J2 is in forward bias. junction J3 is in forward bias and J1, J2 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. Junction J1 and J2 is in forward bias and J3 is in reverse bias. Junction J1, J3 is in reverse bias and J2 is in forward bias. junction J3 is in forward bias and J1, J2 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. Junction J1 and J2 is in forward bias and J3 is in reverse bias. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The maximum di/dt in a SCR is Directly proportional to supply voltage. Directly proportional to inductance in the circuit. Inversely proportional to supply voltage. Both A and B. Directly proportional to supply voltage. Directly proportional to inductance in the circuit. Inversely proportional to supply voltage. Both A and B. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Compared to transistor, ______________ have lower on state conduction losses and higher power handling capability Semi conductor diodes. TRIACs. MOSFETs. Thyristor. Semi conductor diodes. TRIACs. MOSFETs. Thyristor. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Materials used in heat sink should have large surface area. high melting point. high thermal conductivity. All of these. large surface area. high melting point. high thermal conductivity. All of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following is not a power transistor? IGBTs. SITS. TRIAC. COOLMOS. IGBTs. SITS. TRIAC. COOLMOS. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Between the peak point and the valley point of UJT emitter characteristics we have ___________ region Negative resistance None of these Saturation Cut-off Negative resistance None of these Saturation Cut-off ANSWER DOWNLOAD EXAMIANS APP